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DOC: PIPELINE.md

PIPELINE MAP

A detailed visual mapping of request lifecycles, data ingestion flows, and internal business logic cascades across the IPELLIO stack.

Trademark Search Pipeline

Ipellio.com
1. User inputs query & filters
useSearchFilters hook
2. State Updated & URL Pushed
Axios GET /api/trademarks/search
API Gateways
3. Validates params (Pydantic)
4. TrademarkService.search()
SQLAlchemy async query
PostgreSQL
5. TrademarkQueryRepo match
ILIKE keyword, status, class
6. FRONTEND: Renders Paginated ResultCard Grid